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Oracle 1z1-809 exam : Java SE 8 Programmer II

1z1-809 Exam Questions
  • Exam Code: 1z1-809
  • Exam Name: Java SE 8 Programmer II
  • Updated: Aug 20, 2026
  • Q & A: 209 Questions and Answers
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What is the duration of the 1Z0-809 Exam

  • Number of Questions: 85
  • Passing Score: 65%
  • Length of Examination: 150 minutes
  • Format: Multiple choices, multiple answers

Passing the Oracle 1z0-809 certification exam can help Java programmers advance their careers and gain recognition in the industry. It is also a prerequisite for several higher-level Java certifications, such as the Oracle Certified Professional, Java SE 8 Programmer certification. With this certification, Java programmers can demonstrate their mastery of advanced Java concepts and their ability to develop complex Java applications.

Oracle 1z0-809 certification exam consists of 85 multiple-choice questions and has a time limit of 150 minutes. The passing score for 1z1-809 exam is 65%. 1z1-809 exam is available in several languages, including English, Japanese, Korean, and Simplified Chinese. Candidates can take the exam at a Pearson VUE testing center or remotely from their own computer.

Reference: https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-809

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Oracle 1z1-809 Exam Syllabus Topics:

SectionObjectives
Java Concurrency- Multithreading
  • 1. Use synchronized blocks and locks
  • 2. Use concurrent collections
  • 3. Use ExecutorService
  • 4. Create and manage threads
Lambda Built-in Functional Interfaces- Functional programming
  • 1. Use primitive functional interfaces
  • 2. Use UnaryOperator and BinaryOperator
  • 3. Use Predicate, Consumer, Function, and Supplier
Localization- Internationalization
  • 1. Use Locale and ResourceBundle
  • 2. Handle localization properties
  • 3. Format dates and numbers
Advanced Java Class Design- Advanced object-oriented features
  • 1. Use the final keyword
  • 2. Use abstract classes and interfaces
  • 3. Create nested and inner classes
  • 4. Use enum types
  • 5. Develop Lambda expressions
Java I/O Fundamentals- Input and output
  • 1. Use BufferedReader and BufferedWriter
  • 2. Read and write files
  • 3. Use serialization
Exceptions and Assertions- Error handling
  • 1. Use assertions
  • 2. Use try-catch and try-with-resources
  • 3. Create custom exceptions
Java File I/O- NIO.2 API
  • 1. Use Path and Files classes
  • 2. Traverse directory structures
  • 3. Read file attributes
Building Database Applications with JDBC- Database connectivity
  • 1. Use JDBC drivers and connections
  • 2. Execute SQL statements
  • 3. Process ResultSet data
Java Stream API- Stream processing
  • 1. Use map, flatMap, and peek
  • 2. Sort and filter data using streams
  • 3. Collect and group stream results
  • 4. Use Optional
  • 5. Use findFirst, findAny, and match methods
Generics and Collections- Collections framework
  • 1. Iterate collections with Streams and forEach
  • 2. Create and use generic classes
  • 3. Use Comparator and Comparable
  • 4. Use ArrayList, TreeSet, TreeMap, and ArrayDeque
Java Class Design- Object-oriented principles
  • 1. Implement encapsulation
  • 2. Override equals, hashCode, and toString
  • 3. Use static variables, methods, and initialization blocks
  • 4. Implement inheritance and polymorphism
  • 5. Create singleton and immutable classes
Java SE 8 Date/Time API- Date and time handling
  • 1. Use Period and Duration
  • 2. Format and parse date values
  • 3. Use LocalDate, LocalTime, and LocalDateTime

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